<template>
  <div>
    <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/Welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card>
        <!-- 搜索区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            clearable v-model="queryInfo.query" @clear="getGoodsList">
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button
            type="primary"
            class="button-style"
            @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table表格区 -->
      <el-table :data="goodsList" border>
          <el-table-column type="index" label="#"></el-table-column>
          <el-table-column label="商品名称" prop="goods_name"></el-table-column>
          <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
          <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
          <el-table-column label="创建时间" prop="add_time" width="140px">
              <template slot-scope="scope">
                  {{scope.row.add_time | dataFormat}}
              </template>
          </el-table-column>
          <el-table-column label="操作" width="130px">
              <template slot-scope="scope">
                  <el-button size="mini" type="primary"
                   icon="el-icon-edit"  ></el-button>
                  <el-button size="mini" type="danger"
                   icon="el-icon-delete" @click="removeById(scope.row.goods_id)"></el-button>
              </template>
          </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[20, 30, 40, 100]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total='total' background>
    </el-pagination>
    </el-card> 
  </div>
</template>

<script>
export default {
    data() {
        return {
            //查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            //商品列表
            goodsList:[],
            total:0,
        }
    },
    created() {
        this.getGoodsList();
    },
    methods: {
        //根据分页获取对应的商品列表
        async getGoodsList(){
          const {data:res} = await  this.$http.get('goods',{params:this.queryInfo});
          if(res.meta.status !== 200) return this.$message.error('获取商品列表失败')

          this.$message.success('获取商品列表成功')
          console.log(res.data)
          this.goodsList = res.data.goods;
          this.total = res.data.total;
        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize;
            this.getGoodsList();
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum = newPage;
            this.getGoodsList();
        },
        //商品删除按钮函数
        async removeById(id){
        const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err);
        if(confirmResult !== 'confirm'){
            this.$message.info('取消了删除')
        }
        const {data:res} = await this.$http.delete(`goods/${id}`);
        if(res.meta.status !==200) return this.$message.error('删除商品失败');
        this.$message.success('删除商品成功')
        this.getGoodsList();
        },  
        //添加商品按钮函数操作
        goAddPage(){
            this.$router.push('/goods/add')
        }, 
    },
};
</script>

<style scoped>
</style>